HydePark has the following current-year purchases and sales for its only product.

Date			Activities		Units Acquired at Cost							Units Sold at Retail
	Jan.	1		Beginning inventory		60	units	@ $2	=	$	120
	Jan.	3		Sales									38	units	@ $8
	Feb.	14		Purchase		86	units	@ $3	=	$	258
	Feb.	15		Sales									80	units	@ $8
	June	30		Purchase		110	units	@ $4	=	$	440
	Nov.	6		Sales									98	units	@ $8
	Nov.	19		Purchase		28	units	@ $5	=	$	140
				Totals		284	units			$	958		216	units

Required: The company uses a perpetual inventory system. a. Determine the costs assigned to ending inventory and to cost of goods sold using FIFO. b. Determine the costs assigned to ending inventory and to cost of goods sold using LIFO. c. Compute the gross margin for each method.